1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21 22# 23# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24# Use is subject to license terms. 25# 26 27# 28# This file is sourced by interactive ksh93 shells before ${HOME}/.kshrc 29# 30 31# Enable "gmacs"+"multiline" editor mode if the user did not set an 32# input mode yet (for example via ${EDITOR}, ${VISUAL} or any 33# "set -o" flag) 34if [[ "$(set +o)" != ~(Er)--(gmacs|emacs|vi)( .*|) ]] ; then 35 set -o gmacs 36 # enable multiline input mode 37 set -o multiline 38fi 39 40# Set a default prompt (<username>@<hostname>:<path><"($|#) ">) if 41# then variable does not exist in the environment. 42# 43# Algorithm: 44# 1. Define "ellipsis", either Unicode #2026 for unicode locales 45# and "..." otherwise 46# ([[ "${LC_ALL}/${LANG}" = ~(Elr)(.*UTF-8/.*|/.*UTF-8) ]] 47# ensures that the pattern matches the leftmost sequence 48# containing *.UTF-8, allowing to match either LC_ALL or 49# LANG when LC_ALL is not set) 50# 2. If PWD is within HOME replace value of HOME with '~' 51# If the PWD is longer than 30 charatcers shorten it to 30 chars 52# print '#' for user "root" and '$' for normal users 53# Notes: 54# - printf "%*s\r%s" COLUMNS "") # is used at the beginning to 55# work around a bug in the "multiline" handling code which 56# causes the shell to override its own prompt when the edit 57# line overflows (this happens if the terminal cursor 58# position is not 0 when PS1 is printed). 59# - PS1 will initially be empty until either... 60# a) ... someone sets the variable 61# or 62# b) ... the prompt is displayed for the first time (default is 63# '$ ' for normal users and '# ' for user "root") 64# - The statement below will not work if someone sources /etc/ksh.kshrc 65# unless PS1 gets "unset" first. 66# - Make sure to use absolute paths (e.g. /usr/bin/hostname) to make 67# sure PS1 works in cases where PATH does not contain /usr/bin/ 68if [[ "$(set)" != ~(E)PS1= && "${PS1}" == '' ]] ; then 69 PS1='$(printf "%*s\r%s" COLUMNS "")${LOGNAME}@$(/usr/bin/hostname):$( 70 ellip="$( 71 [[ "${LC_ALL}/${LANG}" == ~(Elr)(.*UTF-8/.*|/.*UTF-8) ]] && 72 printf "\u[2026]\n" || print "..." )" 73 p="${PWD/~(El)${HOME}/\~}" 74 (( ${#p} > 30 )) && 75 print -r -n -- "${ellip}${p:${#p}-30:30}" || 76 print -r -n -- "${p}" 77 [[ "${LOGNAME}" == "root" ]] && print -n "# " || print -n "\$ " 78 )' 79fi 80